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Phone Directory 773-721 Detail
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Illinois
Chicago
Central
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Area Code Prefixes
Prefix
Primary City
Company
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Introduced
773-721
Chicago, IL
Ameritech Illinois
Cook
Landline
10/15/1996
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Description
Other Series For Prefixes
7737210
Number Formats: 7737210 7737210 7737210 +17737210
Search Complaints
7737211
Number Formats: 7737211 7737211 7737211 +17737211
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7737212
Number Formats: 7737212 7737212 7737212 +17737212
Search Complaints
7737213
Number Formats: 7737213 7737213 7737213 +17737213
Search Complaints
7737214
Number Formats: 7737214 7737214 7737214 +17737214
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7737215
Number Formats: 7737215 7737215 7737215 +17737215
Search Complaints
7737216
Number Formats: 7737216 7737216 7737216 +17737216
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7737217
Number Formats: 7737217 7737217 7737217 +17737217
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7737218
Number Formats: 7737218 7737218 7737218 +17737218
Search Complaints
7737219
Number Formats: 7737219 7737219 7737219 +17737219
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